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2012
March

Questions Asked on March 15, 2012

Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0
1. 2 answers
2. asked by James
3. 6,983 views
Hi, I just want to make sure I am doing this right:Construct a relation on the set {a, b, c, d} that is a) reflexive, symmetric,
1. 0 answers
2. asked by Confused!!
3. 914 views
What kind of chemical bonding(chemical elemants) occurs in bricks, elastic, and rope
1. 0 answers
2. asked by long
3. 832 views
The Kangzi dictionary compiled in China in 1710 during the Qing dynasty encompasses 46964 characters. How many bits would it
1. 1 answer
2. asked by long
3. 356 views
Should an organization create research testing for all problems confronting the business? Explain.
1. 1 answer
2. asked by anita
3. 355 views
Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem.y' = 5x + y^2,
1. 0 answers
2. asked by McClain
3. 650 views
An Olympic diver performs a dive from the 10 m platform and achieves a speed of 14 m/s just before entering the water.
1. 0 answers
2. asked by Timmy
3. 845 views
I still have a few doubts. Can you please tell me if the sentences are all possible? Thank you1) He cut his finger when he was
1. 1 answer
2. asked by Matthew
3. 416 views
solve tan 2(A-B)
1. 1 answer
2. asked by yuyu
3. 537 views
Write an exponential function to model the situation. Then predict the value of the function after 5 years (to the nearest whole
1. 1 answer
2. asked by Christina
3. 622 views
a 400 N woman is totally immersed in a water tank and displaces 0.0368 m^3 of water. what is her density in kg/m^3?
1. 1 answer
2. asked by kerry
3. 481 views
A 0.23 kg ball of dough is thrown straight up into the air with an initial velocity of 12 m/s.Find the momentum of the ball of
1. 3 answers
2. asked by Chris
3. 1,065 views
given f(x)=x-3 and g(x)=1/x-4 find the domain and range of the following functionsf(x) f(g(x)) f(f(x))
1. 1 answer
2. asked by Jessica Chaney
3. 489 views
Find the following limits algebraically or explain why they don’t exist.lim x->0 sin5x/2x lim x->0 1-cosx/x lim x->7 |x-7|/x-7
1. 1 answer
2. asked by angie
3. 864 views
Suppose f(x) = sin(pi cos(x)). On any interval where the inverse function y = f^-1(x) exists, the derivative of f^-1(x) with
1. 1 answer
2. asked by Mooch
3. 1,451 views
I urgently need to check these sentences for the last time. Thank you.1) The doctor prescribed a nasal spray to be used (is TO
1. 1 answer
2. asked by Matthew
3. 386 views
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in the figure below. The
1. 1 answer
2. asked by tom
3. 1,530 views
The production of batteries manufacturing department of a company is monitored weekly.100 such batteries have to be produced
1. 1 answer
2. asked by pallavi
3. 518 views
Given the function f(x) = 3x - 9a. Find the rate of change between the two stated values for x: 7 to 8 b. Find the equation of a
1. 1 answer
2. asked by bobbie
3. 600 views
1 ship leaves port everyday. After 30 days it returns. How many ships will it see on the way back ?
1. 1 answer
2. asked by neal
3. 427 views
You're on a magic bridge floating 25 meters above a lake. You through a rock at an angle of sixty degrees. It takes 5.8 seconds
1. 3 answers
2. asked by Nicole
3. 699 views
6 n 23 convet to a mix number
1. 0 answers
2. asked by Anonymous
3. 274 views
If you step on your car's brakes hard, the wheels stop turning (i.e., the wheels "lock") after 1.5 revolutions.At the same
1. 1 answer
2. asked by Krista
3. 554 views
Anna did a survey on the weight of students' backpacks at her middle school. The weights, in pounds, of 10 backpacks are listed
1. 1 answer
2. asked by brianna
3. 807 views
REINY, Thank you for your answer and the answer is obviously correct when you go back and do the multiplying ......however , I
1. 1 answer
2. asked by connie
3. 515 views
How would the reducing agent NaBH4 compare with that of LiAlH4?
1. 1 answer
2. asked by Joel
3. 492 views
Which expression shows how the distributive property can be used to multiply the following numbers?9 × 4.99
1. 0 answers
2. asked by brianna
3. 384 views
For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the
1. 5 answers
2. asked by Hannah
3. 771 views
What is 4x^3 + 8x^2 - 96x in factored form
1. 3 answers
2. asked by TENKAICHI
3. 1,425 views
Piagets famous -----------problem demonstrates preoperational children'sdifficulity with---------- A. three mountains; dual
1. 1 answer
2. asked by sarah
3. 860 views
a car of mass 50kg accelerates on a straight level road with coeficient of friction 0,3.what is the minimum force required for
1. 0 answers
2. asked by Marshall
3. 418 views
Hi, I'm having a difficult time understanding a couple of Geometry questions on my homework and I'd really appreciate it if
1. 17 answers
2. asked by Tyler
3. 16,711 views
a car of mass 50kg accelerates on a straight level road with coeficient of friction 0,3.what is the minimum force required for
1. 0 answers
2. asked by Marshall
3. 375 views
Which factors seem to be most important for development of make-believe play.A. children's readiness to engage in make- believe
1. 2 answers
2. asked by sarah
3. 499 views
What is a medical scientist,if you want to study medical science,what are the minimum requirements?and how can you briefly
1. 1 answer
2. asked by Cynthia
3. 1,142 views
you hav three boards and one board is 48" long .and the one board btween the top and bottom board is 2and 1/2" long. how many
1. 1 answer
2. asked by Anonymous
3. 489 views
A study of the system, H2(g) + I2(g) == 2 HI(g), was carriedout. Kc = 54.9 at 699.0 K (Kelvin) for this reaction. A system was
1. 0 answers
2. asked by Hannah
3. 576 views
you are right the question is exactly like this... can you help me for this question.... thanksWrite a MAIN function and a
1. 5 answers
2. asked by MATHMATE PLEASEE HELP
3. 494 views
Using this data,2 NO(g) + Cl2(g) == 2 NOCl(g) Kc = 3.20 X 10-3 NO2(g) == NO(g) + ½ O2(g) Kc = 3.93 calculate a value for Kc for
1. 0 answers
2. asked by Hannah
3. 781 views
Name and explain 3 checks and balances that are in place in South Africa that control and regulate media
1. 3 answers
2. asked by D.A MOKOMA SECONDARY
3. 725 views
Suppose that y = f(x) = x^2 - 4x + 4.Then on any interval where the inverse function y = f-1(x) exists, thederivative of y =
1. 3 answers
2. asked by Anonymous
3. 2,874 views
A brick of mass 0,5 kg possesses 100J of gravitational potential energy when held at a certain height above the ground.How long
1. 1 answer
2. asked by Samantha
3. 500 views
Writeacher, I urgently need your help to check a few sentences on job.1)When I go to the supermarket, first I get the trolley
1. 1 answer
2. asked by Matthew
3. 1,220 views
13. (TCO 2) Creating competition between employees within the corporation: (Points : 1)can encourage employees to deceive
1. 0 answers
2. asked by elena
3. 659 views
When chemists compare the rates of reactions carried out under different conditions, they often compare the rates near the
1. 0 answers
2. asked by Alana
3. 701 views
4. A coil of wire has 600 metres of wire. Suppose there are 20 nicks (the most common problem with wire) are randomly
1. 0 answers
2. asked by Waseeq.A
3. 1,103 views
I forgot to add the following data. Thank you very much.1) You should make a short list of the job requirements before going for
1. 1 answer
2. asked by Matthew
3. 1,281 views
Hello, please help me. I needed to find the derivative of f(x)= x^4 -2x^3 + x +1. I got f'(x)= 4x^3 -6x^2 +1. I would like to
1. 3 answers
2. asked by mary
3. 493 views
The coordinates of the vertices of CDE are C(1, 4), D(3, 6), and E(7, 4). If the triangle is reflected over the line y = 3, what
1. 1 answer
2. asked by roxie
3. 820 views
Who would have to overcome inertia to move the ball, a golfer or a soccer player?
1. 1 answer
2. asked by anne
3. 509 views
redox reaction..types of redox reaction and explain
1. 1 answer
2. asked by faith
3. 411 views
2) In a certain instant lottery game, the chances of a win stated as "3 in 23". Express the indicated degree of likelihood as a
1. 1 answer
2. asked by Jamie
3. 1,420 views
What , according to the basic conditions of employment Act applies with regard to the contraventions that were identified?
1. 5 answers
2. asked by Thembi
3. 463 views
How can science be used to help discourage seagulls from attacking students during lunch?
1. 1 answer
2. asked by John
3. 325 views
Ten grams of ice are heated in a closed container until it turns to steam. What is the mass of the steam?
1. 0 answers
2. asked by Maura
3. 570 views
You deposit $1000 for 5 years at 4% annual interest. In 5 years, you add $10000 to your account, but the rate on your account
1. 0 answers
2. asked by Basil
3. 931 views
A bullet of mass 0.06kg is fired horizontally with a muzzle speed of 700 m/s into a pendulums hanging block of mass 2.0kg. The
1. 0 answers
2. asked by Erin
3. 574 views
Could You give me a example of a sentence of ceaselessly?
1. 3 answers
2. asked by Zack
3. 408 views
If the specific gravity of ice is 0.92, what is the mass of one cubic meter of ice in grams?
1. 0 answers
2. asked by Ty
3. 384 views
a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point
1. 0 answers
2. asked by Hector
3. 858 views
Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0
1. 0 answers
2. asked by Frank
3. 1,026 views
Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0
1. 2 answers
2. asked by Frank
3. 1,026 views
What are some gallant examples from the movie The Purple Heart??
1. 7 answers
2. asked by Anonymous
3. 343 views
I still have a few doubts, Writeacher.These are my last sentences. I really hope you can check them!! 1) I’ve just been on
1. 2 answers
2. asked by Matthew
3. 595 views
At local community college, it costs $150 to enroll in a morning section of an algebra course. Suppose that the variable n
1. 2 answers
2. asked by Joyce
3. 703 views
Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0
1. 1 answer
2. asked by Frank
3. 794 views
measure of angle 1 equals 3x and measure of angle 3 equals (7x-40)...... i don't get this
1. 20 answers
2. asked by Anonymous
3. 668 views
Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294.Its the derivative method.
1. 1 answer
2. asked by help
3. 542 views
A certain form of albinism in humans is recessive and autosomal. Assume that 1% of the individuals in a given population are
1. 0 answers
2. asked by Anon
3. 480 views
I am writing an essai about what did i do during my vacation in barcelona !plz help
1. 10 answers
2. asked by Anonymous
3. 420 views
The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient
1. 0 answers
2. asked by Anon
3. 414 views
My fear:I'm sitting out here hoping and moping If only the rain Got rid of the pain And me being here would get rid of my fear
1. 5 answers
2. asked by ☻i♥zee☻
3. 576 views
Find a unit rate for number of parts manufactured per hour if 1628 parts are made in seven hours round to the nearest integer
1. 1 answer
2. asked by Sam
3. 503 views
Lets say you had a book you bought at the book fair for $4.99. at a book order diouloge, there was a 10 book set for $27 with
1. 1 answer
2. asked by Celest
3. 791 views
a green bead of mass 70 g slides along a straight wire. The length of the wire from point "A" to point "B" is 0.700 m, and point
1. 0 answers
2. asked by Hector
3. 650 views
I included the sentences I was most doubtful of. I hope you can clear my doubts. Thank you very much in advance.1) My family and
1. 1 answer
2. asked by Matthew
3. 538 views
Calculate the equilibrium constant for the following reaction at 100°C.2 TiCl3(g)+2 HCl (g) = 2 TiCl4(g)+H2(g) ∆G°rxn = +
1. 1 answer
2. asked by Katherine
3. 669 views
What does a spectator do? thx for any and all help ☺☻♥♦☻☺
1. 3 answers
2. asked by ☻i♥zee☻
3. 249 views
What are some motifs in Act IV?All that spark-notes talks about is incest, hearing, and misogyny. None of those are in Act IV,
1. 1 answer
2. asked by Scarlet
3. 594 views
Mr=112.11 and 0.146mg/mL how do I change thiss to mmol/L
1. 1 answer
2. asked by LAURA
3. 406 views
Identify one harmful activity that humans do that might change the percentage of water that is available as a resource? Predict
1. 1 answer
2. asked by Logan
3. 551 views
$275 at 7.5% for 4 years?
1. 8 answers
2. asked by linda
3. 1,606 views
Factor completely4x^3+x^2y-36x-9y
1. 2 answers
2. asked by Alex
3. 641 views
The boiling point of ethanol is 78.5C and delta H vap = 40.5kJ/mol. Calculate the vapor pressure (in torr) of ethanol at 0.0C ?
1. 2 answers
2. asked by Christina
3. 534 views
wat is 50% of 500?
1. 1 answer
2. asked by john
3. 436 views
Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294.Its the derivative method.
1. 1 answer
2. asked by Samantha
3. 983 views
Factor the difference of two cubes:5x^4y^2-40xy^5
1. 1 answer
2. asked by amanda
3. 373 views
Write the expression as a logarithm of a single quantity. (4marks)A)3log5a + 4log5b - 2log5c B)3log2 -1/3log(x^2-1)
1. 1 answer
2. asked by james
3. 467 views
At a quarry, sand is filling off a conveyor onto a conical pile at a rate of 15 cubic feet per minute. The diameter of the base
1. 0 answers
2. asked by peter
3. 619 views
A projectile is launched with a speed of 35 m/s at an angle of 58° above the horizontal. Find the maximum height reached by the
1. 0 answers
2. asked by smh
3. 533 views
In a mystery story, the conflict is given a new name. What is it? Climax, Resolution, Problem, or All of the above?My choice is
1. 3 answers
2. asked by ☻i♥zee☻
3. 294 views
can you show me step by step how you do did it?
1. 1 answer
2. asked by Celest
3. 299 views
A coffee company wants to make sure that there coffee is being served at the right temperature. If it is too hot, the customers
1. 2 answers
2. asked by Rachel
3. 1,347 views
An objct of vol V is imersd in a lipd of dnsty P. Clclte d magnitde of buoynt frce actng on d objct due to d lg?? Plz yh qstn
1. 0 answers
2. asked by ilam
3. 314 views
Find A, given that a = 18.2, B = 62, and C = 48. Round answers to the nearest whole degree. Do not use a decimal point or extra
1. 1 answer
2. asked by Lucy
3. 1,076 views
I am confused as to how to solve the below problem. I am not sure which formula to use. At first I thought I calculate the molar
1. 1 answer
2. asked by Julie
3. 659 views
a) Show that the relation R on Z x Z defined by (a , b) R (c, d) if and onlyif a + d = b + c is an equivalence relation. b) Show
1. 0 answers
2. asked by Confused!!
3. 1,179 views
How many moles of NaOH per liter of solution would you expect to have in a solution that is labeled "0.105 M NaOH" on the side
1. 1 answer
2. asked by Carla
3. 759 views
what is 1 and 8 twentieths subtracted by 15 twentieths.i get confused.do you have to borrow.
1. 1 answer
2. asked by Celest
3. 432 views
How do the principles of physics and chemistry both come into play when developing new materials
1. 0 answers
2. asked by long
3. 672 views

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